Xingjian Han@ryanhanData ScientistCanadaFollowAboutCurrent@toptal EducationUniversity of Waterloo, Waterloo BadgesProblem SolvingPythonDays of CodeDays of JSDays ofStatisticsSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experienceryanhan has not updated employment details yet.Educationryanhan has not updated education details yet.